Home / 18,247.80-27,369.34-5,769.09

Finding the Fourth Proportional to 18,247.80, 27,369.34 and 5,769.09

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Solution

The fourth proportional to 18,247.80, 27,369.34 and 5,769.09 is: 8,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.80 : 27,369.34 = 5,769.09 : x
  2. Step 2: Convert to fraction form
    18,247.80/27,369.34 = 5,769.09/x
  3. Step 3: Cross multiply
    18,247.80x = 27,369.34 × 5,769.09
  4. Step 4: Simplify right side
    18,247.80x = 157,896,203.73
  5. Step 5: Solve for x
    x = 157,896,203.73/18,247.80
  6. Step 6: Final answer
    x = 8,652.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.